Changeset b7a4d06 in mainline for uspace/lib/c/generic/vbd.c

Timestamp:

2015-07-18T12:55:12Z (10 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

c43db5f

Parents:

70815a24

Message:

Most of extended (but not logical) partition support.

File:

• uspace/lib/c/generic/vbd.c (modified) (1 diff)

uspace/lib/c/generic/vbd.c

@@ -264 +264 @@
 {
         async_exch_t *exch;
-        sysarg_t index;
-        sysarg_t b0_lo, b0_hi;
-        sysarg_t nb_lo, nb_hi;
-        int retval;
-
-        exch = async_exchange_begin(vbd->sess);
-        retval = async_req_1_5(exch, VBD_PART_GET_INFO, part, &index,
-            &b0_lo, &b0_hi, &nb_lo, &nb_hi);
-        async_exchange_end(exch);
-
-        if (retval != EOK)
-                return EIO;
-
-        pinfo->index = index;
-        pinfo->block0 = MERGE_LOUP32(b0_lo, b0_hi);
-        pinfo->nblocks = MERGE_LOUP32(nb_lo, nb_hi);
+        sysarg_t retval;
+        ipc_call_t answer;
+
+        exch = async_exchange_begin(vbd->sess);
+        aid_t req = async_send_1(exch, VBD_PART_GET_INFO, part, &answer);
+        int rc = async_data_read_start(exch, pinfo, sizeof(vbd_part_info_t));
+        async_exchange_end(exch);
+
+        if (rc != EOK) {
+                async_forget(req);
+                return EIO;
+        }
+
+        async_wait_for(req, &retval);
+        if (retval != EOK)
+                return EIO;
+
         return EOK;
 }